#3967B8#3967B8

#3967B8 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.138 H 260.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3967B8
RGB	rgb(57, 103, 184)
HSL	hsl(218, 53%, 47%)
HSV	hsv(218, 69%, 72%)
CMYK	cmyk(69%, 44%, 0%, 27.8%)
CIE-LAB	lab(44.28, 11.51, -47.49)
CIE-LCH	lch(44.28, 48.86, 283.62°)
OKLab	oklab(52.33% -0.0219 -0.1357)
OKLCH	oklch(52.33% 0.138 260.8)
XYZ	xyz(15.1862, 14.0295, 47.2457)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967B8 #B88A39

analogous

#39A6B8 #3967B8 #4B39B8

triadic

#3967B8 #B83967 #67B839

tetradic

#3967B8 #B839A6 #B88A39 #39B84B

square

#3967B8 #B839A6 #B88A39 #39B84B

split-complementary

#3967B8 #B84B39 #A6B839

monochromatic

#1C335B #2B4D89 #3967B8 #6088CE #8FABDC

Accessibility & contrast

On white

5.52

#3967B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3967B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967B8

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967B8	#FFFFFF	#000000	##FFFFFF
##3967B8	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406FBB

Deuteranopia (green-blind)

#2963B6

Tritanopia (blue-blind)

#007A86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3967b8;
/* rgb */ color: rgb(57, 103, 184);
/* oklch */ color: oklch(52.3% 0.138 260.8);

Tailwind

colors: {
  custom: {
    50: '#7e91ce',
    500: '#3967b8',
    950: '#000000',
  },
}

SCSS

$custom: #3967b8;
$custom-light: #7e91ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3967b8",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 184
  },
  "hsl": {
    "h": 218.268,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52325,
    "c": 0.13751,
    "h": 260.8
  },
  "luminance": 0.14031
}

Semantic roles & 50–950 ramp

primary

#3967B8

secondary

#C7AF86

accent

#A84CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3967B8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →